Plot
A Red Army officer Polevoy possesses a navy dirk with a secret message encrypted in its handle. The second part of a message belongs to a White army officer Nikitskiy. It's up to three young friends of Polevoy to uncover the mystery.
| Writer | Anatoli Rybakov |
|---|---|
| Director | Nikolai Kalinin |
| Actor | Sergei Shevkunenko, Vladimir Dichkovsky, Emmanuil Vitorgan |
| Country | Soviet Union |
| Production | Belarusfilm |